<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %><%--
  Created by IntelliJ IDEA.
  edu.sctu.User: Administrator
  Date: 2018/4/3
  Time: 16:00
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>

<head>
    <title>$Title$</title>
</head>

<body>

<%@include file="isLogin.jsp" %>

<style type="text/css">

    table {
        border: 1px solid #000;
        border-collapse: collapse;
    }

    td, th {
        border: 1px solid #000;
        padding: 10px;
    }
</style>


<h1>用户列表</h1>
<p><a href='addUser.jsp'>添加用户</a></p>
<table>
    <thead>
    <tr>
        <th>编号</th>
        <th>用户名</th>
        <th>密码</th>
        <th>功能1</th>
        <th>功能2</th>
    </tr>
    </thead>


    <%
        class edu.sctu.User {
            int id;
            String username;
            String password;
        }

        boolean isLogin = false;
        if (isLogin == false) {

        }

        List<edu.sctu.User> userList = new ArrayList<edu.sctu.User>();

//    从数据库中读数据，

//    edu.sctu.User hu = new edu.sctu.User();
//    hu.id = 1;
//    hu.username = "huganhang";
//    hu.password = "123456";
//    userList.add(hu);
//
//    edu.sctu.User wei = new edu.sctu.User();
//    wei.id = 1;
//    wei.username = "weier";
//    wei.password = "123456";
//    userList.add(wei);

        Connection connection = null;
        Statement statement = null;
        ResultSet resultSet = null;

        String sql = "select * from t_users";

        connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                "root",
                "123456"
        );

        statement = connection.createStatement();
        resultSet = statement.executeQuery(sql);

        while (resultSet.next()) {
            int id = resultSet.getInt(1);
            String username = resultSet.getString(2);
            String password = resultSet.getString(3);

            edu.sctu.User user = new edu.sctu.User();
            user.id = id;
            user.username = username;
            user.password = password;

            userList.add(user);
        }
        connection.close();
        statement.close();
        resultSet.close();

        for (edu.sctu.User user : userList) {
            out.write("<tr><td>" + user.id + "</td><td>" + user.username
                    + "</td><td>" + user.password + "</td>" +
                    "<td><a href='userDelete.jsp?id=" + user.id + "'>删除</a></td>" +
                    "<td><a href='userUpdate.jsp?id=" + user.id + "&username=" + user.username + "&password=" + user.password + "'>更新</a></td>" +
                    "</tr>");
        }

    %>



</table>
<!-- 静态信息 -->
<%@ include file="footer.jsp" %>

<!-- jsp前缀  动态信息 -->
<jsp:include page="footer.jsp">
    <jsp:param name="year" value="2018"/>
</jsp:include>

</body>
</html>
